@article{ref1,
title="Belching (eructation) and breath alcohol concentration",
journal="Blutalkohol",
year="1987",
author="Penners, B. M. and Bilzer, Norbert",
volume="24",
number="3",
pages="172-177",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0006-5250",
doi="",
url="http://dx.doi.org/"
}